公开(公告)号：US20140349142A1

公开(公告)日：2014-11-27

申请号：US14362486

申请日：2013-01-07

Applicant: LG CHEM, LTD.

Inventor： Hee Gyu Kim ,  Sooryoung Kim ,  Jung Hwan Kim ,  Geon Tae Park

IPC: H01M10/42 ,  H01M10/63 ,  H01M2/30 ,  H01M10/04 ,  H01M2/02

CPC classification number: H01M10/4257 ,  H01M2/021 ,  H01M2/0285 ,  H01M2/0292 ,  H01M2/0426 ,  H01M2/08 ,  H01M2/30 ,  H01M2/361 ,  H01M10/0404 ,  H01M10/0436 ,  H01M10/049 ,  H01M10/63 ,  H01M2010/4271 ,  Y10T29/4911

Abstract: Disclosed herein is a method of manufacturing a battery cell having an electrode assembly of a cathode/separator/anode structure disposed in a battery case made of aluminum or an aluminum alloy together with an electrolyte in a sealed state, the method including (a) anodizing an entire surface of the battery case in a state in which an uncoated margin section having a predetermined length is provided downward from an outer circumference of an upper end of the battery case, (b) mounting the electrode assembly in the battery case and connecting a cap plate to an open upper end of the battery case by laser welding, (c) injecting an electrolyte through an electrolyte injection port of the cap plate and activating the battery cell, and (d) replenishing the electrolyte and sealing the electrolyte injection port.

Abstract translation: 本文公开了一种电池单元的制造方法，该电池单元具有阴极/隔板/阳极结构的电极组件，该电极组件设置在由铝或铝合金制成的电池壳体中以及处于密封状态的电解质，该方法包括（a）阳极氧化 电池壳体的整个表面处于从电池盒的上端的外周向下方设置具有预定长度的未涂覆的边缘部分的状态，（b）将电极组件安装在电池壳体中并连接 （c）通过盖板的电解液注入口注入电解液并启动电池单元，（d）补充电解质并密封电解液注入口。